Math

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Kerri's father bill was a baker. Out of his usual morning batch of cookies bill burned the first 2 dozen cookies. He gave half of what was left to Keri to take to scol. He wrapped up half of the remaining cookies and have them to a group of fireman. He gave half of what was left to the policeman. If bill had only 7 cookies left, how many cookies were in the original batch?

  • Math -

    2*7 = 14 before giving to cop
    2*14 = 28 before giving to firemen
    2*28=56 before giving to Keri
    56+2*12 = 80 cookies to start with

    start with 80
    burned 24, leaving 56
    Keri got 28, leaving 28
    firemen got 14, leaving 14
    cop got 7, leaving 7

  • Math -

    7x2
    14x2
    28x2
    56+12x2
    80

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